cwespressif edited a comment on pull request #557:
URL: 
https://github.com/apache/incubator-nuttx-apps/pull/557#issuecomment-759889713


   > @cwespressif
   > 
   > I tried this PR with esp32-devkitc but it seems that it's unstable.
   > 
   > ```
   > nsh> uname -a
   > NuttX  10.0.1 657088318a-dirty Jan 14 2021 09:33:40 xtensa esp32-devkitc
   > nsh> ifconfig
   > wlan0      Link encap:Ethernet HWaddr 3c:71:bf:8a:dd:10 at UP
   >    inet addr:192.168.10.6 DRaddr:192.168.10.1 Mask:255.255.255.0
   > 
   > nsh> iperf -c 192.168.10.16
   >        IP: 192.168.10.6
   > 
   >  mode=tcp-client sip=192.168.10.6:5001,         dip=192.168.10.16:5001, 
interval=3, time=30
   > W (43841) wifi:<ba-add>idx:0 (ifx:0, fe:b7:97:5a:a3:8a), tid:6, ssn:2, 
winSize:64
   > W (45628) wifi:<ba-add>idx:1 (ifx:0, fe:b7:97:5a:a3:8a), tid:0, ssn:0, 
winSize:64
   > 
   >         Interval Bandwidth
   > 
   >    0-   3 sec,  0.48 Mbits/sec
   >    3-   6 sec,  0.00 Mbits/sec
   >    6-   9 sec,  0.00 Mbits/sec
   >    9-  12 sec,  0.00 Mbits/sec
   >   12-  15 sec,  0.00 Mbits/sec
   >   15-  18 sec,  0.00 Mbits/sec
   >   18-  21 sec,  0.00 Mbits/sec
   >   21-  24 sec,  0.00 Mbits/sec
   >   24-  27 sec,  0.00 Mbits/sec
   >   27-  30 sec,  0.00 Mbits/sec
   > ```
   
   Hi @masayuki2009 I use the incubator-nuttx master version to test with this 
PR, the config is wapi which under esp32-devkitc, enable iperf example, the 
test result seems OK and stable, but your test looks like the device has 
stopped sending packets,could you provide a wireless packet capture?
   
![image](https://user-images.githubusercontent.com/63690793/104538088-2f8edc80-5656-11eb-887e-1a619688a48d.png)
   
   
   


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